Gen­er­al Motors next month will be open­ing its Fac­to­ry Pre-Owned Col­lec­tion, mak­ing avail­able about 30,000 Buicks, Cadil­lacs, Chevro­lets, and GMCs. The vehi­cle inven­to­ry will have few­er than 37,000 miles on the odome­ter. These low-mileage vehi­cles will come from for­mer GM lease, dai­ly rental and com­pa­ny-owned vehi­cles nev­er before avail­able to the pub­lic through one source. Con­sumers can com­pare sug­gest­ed prices on the site to what oth­ers in their area have paid using the Kel­ley Blue Book Fair Mar­ket Range.